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astraxan [27]
3 years ago
7

Help with me 11 please

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0
X + y + z = 27
x = 2z
y = 3 + z
2z + 3 + z + z = 27 ; 4z = 24; z = 6 youngest
x = 12 oldest
y = 9 middle one


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